From 4885e7c9549e8d6812eb7aa069e863a349f50e84 Mon Sep 17 00:00:00 2001
From: "Jason A. Donenfeld" <Jason@zx2c4.com>
Date: Wed, 3 Mar 2021 15:05:19 +0100
Subject: memmod: use resource functions from x/sys

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
---
 tun/wintun/resource/zsyscall_windows.go | 112 --------------------------------
 1 file changed, 112 deletions(-)
 delete mode 100644 tun/wintun/resource/zsyscall_windows.go

(limited to 'tun/wintun/resource/zsyscall_windows.go')

diff --git a/tun/wintun/resource/zsyscall_windows.go b/tun/wintun/resource/zsyscall_windows.go
deleted file mode 100644
index e4c4bf1..0000000
--- a/tun/wintun/resource/zsyscall_windows.go
+++ /dev/null
@@ -1,112 +0,0 @@
-// Code generated by 'go generate'; DO NOT EDIT.
-
-package resource
-
-import (
-	"syscall"
-	"unsafe"
-
-	"golang.org/x/sys/windows"
-)
-
-var _ unsafe.Pointer
-
-// Do the interface allocations only once for common
-// Errno values.
-const (
-	errnoERROR_IO_PENDING = 997
-)
-
-var (
-	errERROR_IO_PENDING error = syscall.Errno(errnoERROR_IO_PENDING)
-)
-
-// errnoErr returns common boxed Errno values, to prevent
-// allocations at runtime.
-func errnoErr(e syscall.Errno) error {
-	switch e {
-	case 0:
-		return nil
-	case errnoERROR_IO_PENDING:
-		return errERROR_IO_PENDING
-	}
-	// TODO: add more here, after collecting data on the common
-	// error values see on Windows. (perhaps when running
-	// all.bat?)
-	return e
-}
-
-var (
-	modkernel32 = windows.NewLazySystemDLL("kernel32.dll")
-	modversion  = windows.NewLazySystemDLL("version.dll")
-
-	procFindResourceW  = modkernel32.NewProc("FindResourceW")
-	procSizeofResource = modkernel32.NewProc("SizeofResource")
-	procLoadResource   = modkernel32.NewProc("LoadResource")
-	procLockResource   = modkernel32.NewProc("LockResource")
-	procVerQueryValueW = modversion.NewProc("VerQueryValueW")
-)
-
-func findResource(module windows.Handle, name *uint16, resType *uint16) (resInfo windows.Handle, err error) {
-	r0, _, e1 := syscall.Syscall(procFindResourceW.Addr(), 3, uintptr(module), uintptr(unsafe.Pointer(name)), uintptr(unsafe.Pointer(resType)))
-	resInfo = windows.Handle(r0)
-	if resInfo == 0 {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = syscall.EINVAL
-		}
-	}
-	return
-}
-
-func sizeofResource(module windows.Handle, resInfo windows.Handle) (size uint32, err error) {
-	r0, _, e1 := syscall.Syscall(procSizeofResource.Addr(), 2, uintptr(module), uintptr(resInfo), 0)
-	size = uint32(r0)
-	if size == 0 {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = syscall.EINVAL
-		}
-	}
-	return
-}
-
-func loadResource(module windows.Handle, resInfo windows.Handle) (resData windows.Handle, err error) {
-	r0, _, e1 := syscall.Syscall(procLoadResource.Addr(), 2, uintptr(module), uintptr(resInfo), 0)
-	resData = windows.Handle(r0)
-	if resData == 0 {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = syscall.EINVAL
-		}
-	}
-	return
-}
-
-func lockResource(resData windows.Handle) (addr uintptr, err error) {
-	r0, _, e1 := syscall.Syscall(procLockResource.Addr(), 1, uintptr(resData), 0, 0)
-	addr = uintptr(r0)
-	if addr == 0 {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = syscall.EINVAL
-		}
-	}
-	return
-}
-
-func verQueryValue(block *byte, section *uint16, value **byte, size *uint32) (err error) {
-	r1, _, e1 := syscall.Syscall6(procVerQueryValueW.Addr(), 4, uintptr(unsafe.Pointer(block)), uintptr(unsafe.Pointer(section)), uintptr(unsafe.Pointer(value)), uintptr(unsafe.Pointer(size)), 0, 0)
-	if r1 == 0 {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = syscall.EINVAL
-		}
-	}
-	return
-}
-- 
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